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Shekhar, A. (author), Ramirez Elizondo, L.M. (author), Feng, Xianyong (author), Kontos, E. (author), Bauer, P. (author)While the scientific community recognizes the benefits of DC power transfer, the distribution network operators point out the practical and economic constraints in refurbishing the existing AC network at a medium-voltage level. Some apprehensions like reliability, cost of ownership, and safety in adopting a universal DC distribution may merit...journal article 2018
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Shekhar, A. (author), Kontos, E. (author), Ramirez Elizondo, L.M. (author), Mor, A. R. (author), Bauer, P. (author)It is anticipated that with the thrust towards use of clean energy resources such as electric vehicles, future distribution grids will face a steep increase in power demand, forcing the utility operators to invest in enhancing the power delivering capacity of the grid infrastructure. It is identified that the critical 5–20 km medium voltage (MV)...journal article 2017
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Kontos, E. (author), Tsolaridis, Georgios (author), Teodorescu, Remus (author), Bauer, P. (author)Due to the increase of power electronic-based loads, the maintenance of high power quality poses a challenge in modern power systems. To limit the total harmonic distortion in the line voltage and currents at the point of the common coupling (PCC), active power filters are commonly employed. This paper investigates the use of the multilevel...journal article 2017
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Tsolaridis, Georgios (author), Kontos, E. (author), Chaudhary, Sanjay K. (author), Bauer, P. (author), Teodorescu, Remus (author)Grid faults are common in power systems and can have a severe impact on the operation of the converters in the system. In this paper, the operation of a Modular Multilevel Converter (MMC)-based Static Synchronous Compensators (STATCOM) is investigated during grid faults. The study focuses on the challenging internal control of the converter...journal article 2017